Tungsten crystals for light bulbs
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Article
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1934
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Elsevier Science
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English
β 57 KB
A. Helwich, in his Czechoslovakia letter, tells of a recently developed wood-gas generator which may be applied to all internal combustion engines. In these generators 27 ounces of wood are claimed to be the equivalent of one liter of gasoline. C. Tungsten Crystals for Light Bulbs.--(lnd. and Eng.